How to Backup iBooks and Add Ebooks to iPad/iPhone on Mac
As an excellent reading and purchasing e-books tool, iBooks is highly recommended and praised by digital fans. Simulated bookshelves built-in iBooks are piled full of simulated books, which you can access or download to your heart's content, thereby making reading extremely convenient: tap a book to open it, flip through pages with a swipe or a tap, and bookmark or add notes to your favorite passages. iBook is compatible with iPhone, iPod touch, and iPad. What’s more, iBooks only opens books published in the ePub electronic book format or documents in the PDF format.
Some people complained that they are confused about how to backup iBooks/audiobooks to iPad.
Well, I would like to share some experience for backup iBooks, hope it can help you indeed.
Part I. How to backup iBooks and audiobooks to iTunes on Mac?
Download iBooks Transfer, install and launch it on your Mac.
Connect your iPad or iPhone to Mac, the audiobooks to iTunes transfer will automatically recognize it and the device info will be shown as the picture below.

After several seconds, the main interface appears automatically. The left panel is the files in your iPad or iPhone, and the right is the ones in your iTunes, Mac or DVD. Click “iTunes” on the right pane, and drag the iBooks from iPad/iPhone to iTunes to achieve iBooks backup.

Once succeed in transferring iBooks to iTunes, there will be a bar to show you the iBooks backup process.

Part II. How to backup PDF to iPad/iPhone on Mac?
1. Normal Methods to backup PDF to iPad/iPhone:
In the iPad/iPhone, collect Email with attachment in PDF format and then use iBooks to open the attachment, then the PDF will automatically be added to the iBook's bookshelf. Another way is that add to PDF files into iTunes and then sync the database to iPad/iPhone.
2. Backup PDF to iPad/ iPhone with Backup iBooks Software
iBooks transfer can backup iBooks and audiobooks from Mac to iPad/iPhone as well. Click “folder” on the right pane, and specify the PDF files on your Mac and drag them to your iPad or iPhone pane.

A vivid process bar shows you how to add PDF to iPad with this PDF to iPhone Backup Software.

